Impact of Hydrological Modellers' Decisions and Attitude on the Performance of a Calibrated Conceptual Catchment Model: Results from a

Medientyp: E-Artikel; Sonstige Veröffentlichung

Titel: Impact of Hydrological Modellers' Decisions and Attitude on the Performance of a Calibrated Conceptual Catchment Model: Results from a "Modelling Contest'

Beteiligte: Bormann, Helge [VerfasserIn]; de Brito, Mariana Madruga [VerfasserIn]; Charchousi, Despoina [VerfasserIn]; Chatzistratis, Dimitris [VerfasserIn]; David, Amrei [VerfasserIn]; Grosser, Paula Farina [VerfasserIn]; Kebschull, Jenny [VerfasserIn]; Konis, Alexandros [VerfasserIn]; Koutalakis, Paschalis [VerfasserIn]; Korali, Alkistis [VerfasserIn]; Krauzig, Naomi [VerfasserIn]; Meier, Jessica [VerfasserIn]; Meliadou, Varvara [VerfasserIn]; Meinhardt, Markus [VerfasserIn]; Munnelly, Kieran [VerfasserIn]; Stephan, Christiane [VerfasserIn]; de Vos, Leon Frederik [VerfasserIn]; Dietrich, Jorg [VerfasserIn]; Tzoraki, Ourania [VerfasserIn]

Erschienen: Basel : MDPI, 2018

Ausgabe: published Version

Sprache: Englisch

DOI: https://doi.org/10.15488/4887; https://doi.org/10.3390/hydrology5040064

Schlagwörter: modellers' decisions ; model ensemble ; modellers' uncertainty ; HBV ; conceptual hydrological model

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Beschreibung: In this study, 17 hydrologists with different experience in hydrological modelling applied the same conceptual catchment model (HBV) to a Greek catchment, using identical data and model code. Calibration was performed manually. Subsequently, the modellers were asked for their experience, their calibration strategy, and whether they enjoyed the exercise. The exercise revealed that there is considerable modellers' uncertainty even among the experienced modellers. It seemed to be equally important whether the modellers followed a good calibration strategy, and whether they enjoyed modelling. The exercise confirmed previous studies about the benefit of model ensembles: Different combinations of the simulation results (median, mean) outperformed the individual model simulations, while filtering the simulations even improved the quality of the model ensembles. Modellers' experience, decisions, and attitude, therefore, have an impact on the hydrological model application and should be considered as part of hydrological modelling uncertainty.

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Impact of Hydrological Modellers' Decisions and Attitude on the Performance of a Calibrated Conceptual Catchment Model: Results from a "Modelling Contest' - [published Version]

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